<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
        // 寄生式组合方式继承
        function Person(name) {
            this.name = name
        }
        Person.prototype.sayName = function() {

        }
    </script>
</body>

</html>